Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantos parceiros havia quando a pontuação era 7-6 (7-4), 6-3?
 ###Tabelas: CREATE TABLE doubles:_7_3–4 (doubles:_7_3–4_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Surface VARCHAR, Partner VARCHAR, Opponents VARCHAR, Score VARCHAR) CREATE TABLE doubles_titles (doubles_titles_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Partnering VARCHAR, Opponents in the final VARCHAR, Score VARCHAR) CREATE TABLE popular_languages_used_for_data_exchange (popular_languages_used_for_data_exchange_id AUTO_INCREMENT PRIMARY KEY, Schemas VARCHAR, Flexible VARCHAR, Semantic verification VARCHAR, Dictionary VARCHAR, Information Model VARCHAR, Synonyms and homonyms VARCHAR, Dialecting VARCHAR, Web standard VARCHAR, Transformations VARCHAR, Lightweight VARCHAR, Human readable VARCHAR) CREATE TABLE list_of_lighthouses_in_the_philippines (list_of_lighthouses_in_the_philippines_id AUTO_INCREMENT PRIMARY KEY, Lighthouse VARCHAR, Location VARCHAR, Province/City VARCHAR, Date First Lit VARCHAR, Tower height in ft (m) VARCHAR, Focal plane in ft (m) VARCHAR, Current Status VARCHAR, Current Condition/ Description VARCHAR) CREATE TABLE list_of_territories (list_of_territories_id AUTO_INCREMENT PRIMARY KEY, Province VARCHAR, Provincial capital VARCHAR, Commandery VARCHAR, Commandery capital VARCHAR, No. of counties INT)  
SELECT COUNT Partner FROM doubles:_7_3–4 WHERE Score = 7–6 (7–4) , 6–3